Mouna Derdour

8 Questions 21 Answers 0 Followers

Questions related from Mouna Derdour

FTIR problem (laser faulty) ?

We’re currently facing issues with our FTIR spectrometer, likely due to a faulty laser. Symptoms include unstable interferograms and weak signal intensity. Has anyone experienced this before? How...

21 April 2025 6,600 0 View

Tune action stopped in GCMSD ?

Hello for everyone I come to you to help me find a solution to my problem in the GC MSD I did the tune the first time and everything was good after I injected a sample the filament goes out during...

07 November 2022 6,383 4 View

GCMS agilent pressure 10-9 Torr?

Hello, I am coming to you today to explain my problem: I am working on Agilent GCMS and the pressure value is 2.10.10-9Torr before it was 10-5, please tell me if I can work with this pressure and...

05 December 2021 5,137 8 View

Hello, i have the baseline less than zero ?

TraductionDésactiver la traduction instantanée 256/5000 Hellosomeone can help me ? I work on HPLC and I have the base line less than zero knowing that I work on the purification of DNA...

28 September 2017 875 4 View

How can I confirmed the contamination of the ion source in GCMSD Agilent technology?

hello, I want to know, how can I confirmed the contamination of the ion source in GCMSD Agilent technology

01 March 2016 8,408 5 View

Hello, can i inject the sample in GCMS agilent manually

I have a problem in my syringe autosampler and i want to inject my sample manually ,Is it possible ? regards

17 February 2016 4,084 7 View

Hello everyone I look for a purification protocol of DNA primer by HPLC

Hello everyone I look for a purification protocol of DNA primer by HPLC after being synthesized by a oligosynthetiseur Thank you

03 February 2016 7,358 3 View

Can someone explain to me why the percentage of H2O is always high in GCMSD?

I work on a GC/MSD electronics impact during calibration the percentage of H2O is always high and I unable to settle it.

05 January 2016 4,581 35 View